Smart home climate control with zoned heating and cooling. Stop wasting energy on empty rooms and enjoy personalized comfort in every area of your home.
Licensed & Insured • Custom Zone Design • Satisfaction Guaranteed • Financing Available
Tired of fighting over the thermostat? Rooms that are too hot while others are too cold? Heating or cooling empty spaces while you're at work? HVAC zoning paired with smart home automation solves these problems by dividing your home into separate climate zones, each with independent temperature control.
LEX Air Conditioning has been designing and installing custom HVAC zoning systems across Dallas-Fort Worth since 2004. Our NATE-certified technicians integrate zone dampers, smart thermostats, and automation controls to give you precise comfort where you need it, when you need it—while cutting your energy bills by up to 30%.
From consultation to installation, we design systems that fit your home and lifestyle.
Custom zoning plans based on your home's layout, usage patterns, and family preferences. We analyze room sizes, sun exposure, and occupancy to create the perfect zone configuration.
Professional installation of motorized dampers in your ductwork that automatically open and close to direct airflow only to rooms that need it.
We integrate Nest, Ecobee, Honeywell, or other smart thermostats with your zoning system for seamless smartphone control and automated scheduling.
Control each zone from anywhere using your smartphone, tablet, or voice commands through Alexa, Google Assistant, or Siri.
Multi-floor and multi-room zoning for offices, retail spaces, and commercial buildings. Zone by department, floor, or individual office spaces.
Add zoning to your existing HVAC system without replacing it. We retrofit zone dampers and controls to work with your current equipment.
An HVAC zoning system consists of three main parts working together:
Each zone has its own thermostat (wired or wireless) that monitors and controls temperature independently. You can set different temperatures for different areas.
Installed inside your ductwork, these dampers automatically open and close to direct airflow only to zones that are calling for heating or cooling.
The "brain" of the system that receives signals from all thermostats and controls the dampers accordingly. It also manages your HVAC equipment to prevent short-cycling.
Here's what happens when you adjust a zone thermostat:
Energy Savings: By conditioning only occupied spaces, zoning systems can reduce HVAC energy consumption by 20-30% compared to whole-home heating and cooling.
Why DFW homeowners are upgrading to smart zoning systems.
Stop heating or cooling empty rooms. Zoning ensures your HVAC system only runs when and where it's needed, dramatically reducing wasted energy and monthly utility costs.
Keep bedrooms cool for sleeping while maintaining warmer temperatures in living areas. Everyone in the family gets the comfort they prefer without compromise.
Adjust temperatures from anywhere using your phone. Forgot to turn down the AC before vacation? Do it from the airport. Coming home early? Start cooling before you arrive.
By reducing runtime and eliminating constant cycling, zoning systems put less strain on your air conditioner and furnace, helping them last longer and require fewer repairs.
Texas homes with west-facing rooms that get afternoon sun can stay comfortable without overcooling the rest of the house. Zone the hot rooms independently.
Lower energy consumption means reduced environmental impact. Zoning makes your home more eco-friendly while saving you money every month.
Zoning systems work especially well for these common situations.
Heat rises, making upstairs rooms warmer than downstairs. Zoning lets you cool the second floor independently without freezing the first floor.
Bigger homes with multiple wings or distant rooms benefit from independent zone control instead of one-size-fits-all temperature settings.
Bonus rooms, converted garages, or home offices often have different heating and cooling needs than the main house. Zoning gives them independent control.
If some family members prefer cooler temperatures while others like it warmer, zoning eliminates thermostat battles and keeps everyone comfortable.
Rooms with lots of windows, cathedral ceilings, or poor insulation can be zoned separately to maintain comfort without affecting the whole house.
If everyone is away during the day, zone your home to condition only occupied spaces in the evening and shut down empty bedrooms and offices.
What to expect when you choose LEX for home automation and zoning.
We visit your home to evaluate your current HVAC system, ductwork, and layout. We discuss your comfort goals, usage patterns, and budget, then recommend the optimal zone configuration for your needs.
Our technicians create a detailed zoning plan tailored to your home. We determine zone boundaries, thermostat locations, damper placement, and smart home integration options. You'll receive upfront pricing before any work begins.
We install motorized dampers in your ductwork, run wiring for zone thermostats, mount the control panel, and integrate smart home devices. Most installations are completed in 1-2 days with minimal disruption.
We test every zone, calibrate dampers, verify proper airflow, and ensure all automation features work correctly. Then we walk you through operating your new system and show you how to get the most from your investment.
Learns your schedule and preferences automatically. Adjusts temperatures based on occupancy and weather. Energy-saving features and sleek design.
Includes room sensors for better multi-zone control. Built-in Alexa voice control. Energy reports and smart home integration.
Multi-room focus with wireless sensors. Geofencing to adjust when you leave or return. Compatible with most HVAC systems.
Not sure which smart thermostat is right for your zoning system? Call us and we'll help you choose.
"We installed a 3-zone system last year and it's been a game-changer. Our upstairs is finally comfortable in summer without freezing the downstairs, and our energy bill dropped by almost $90 per month. The smart thermostats LEX installed let us control everything from our phones. Couldn't be happier!"— Michael T., Frisco, TX
While every home is different, here are typical cost ranges for HVAC zoning installations in the Dallas-Fort Worth area:
*Prices are estimates and vary based on number of zones, ductwork modifications, smart thermostat selection, and installation complexity. Smart thermostats range from $150-$300 each.
Every home is unique. Schedule a free consultation for a precise quote based on your specific zoning needs.
(972) 466-1917Financing available with approved credit
We've been designing and installing zoning systems in DFW homes since 2004. We know what works in Texas climate conditions.
We don't use cookie-cutter approaches. Every zoning system is custom-designed for your home's layout, usage patterns, and your family's comfort preferences.
Our installers are certified by North American Technician Excellence, the industry's leading certification program for HVAC professionals.
We can add zoning to your current HVAC equipment in most cases—no need to replace your entire system to gain zone control.
We stand behind every zoning installation with our complete satisfaction guarantee. If you're not happy, we'll make it right.
DFW homeowners trust LEX for quality HVAC work. Check our reviews to see why we're the top-rated choice for zoning systems.
We design and install home automation zoning systems throughout the Dallas-Fort Worth metroplex.
Complete heating, cooling, and home comfort solutions.
Yes! In most cases, we can retrofit zone dampers and controls to your existing air conditioner and furnace without replacing the equipment. We'll inspect your system and ductwork during the consultation to confirm compatibility and recommend the best approach for your home.
Most homeowners see energy savings of 20-30% after installing a zoning system. The exact savings depend on your home's size, how you use different zones, and your previous cooling and heating patterns. Homes where large areas were previously conditioned unnecessarily see the biggest savings.
This depends on your home's layout and your family's needs. Most homes work well with 2-4 zones. Common configurations include upstairs/downstairs, bedroom wing/living areas, or individual floors in multi-story homes. We'll recommend the optimal number during your consultation based on your specific situation.
No—when properly designed and installed, zoning actually extends your HVAC system's lifespan by reducing runtime and eliminating constant cycling. Our installations include bypass dampers and controls that prevent pressure buildup and ensure your equipment operates safely and efficiently.
Absolutely! We integrate smart thermostats like Nest, Ecobee, or Honeywell that allow full smartphone control of each zone. You can adjust temperatures, set schedules, and monitor energy usage from anywhere using the manufacturer's app.
Most residential zoning installations are completed in 1-2 days, depending on the number of zones and complexity of the ductwork modifications. We'll provide a detailed timeline during your consultation. Installation involves minimal disruption to your daily routine.
Yes! Ductless mini-split systems are inherently zoned—each indoor unit operates independently with its own thermostat. This makes them an excellent alternative to traditional ducted zoning for room additions, garages, or homes without existing ductwork.
Traditional zoning uses dampers in your existing ductwork to control airflow to different areas. Multi-zone mini-splits use separate indoor units (one per zone) connected to a single outdoor compressor. Both provide zone control; the best choice depends on whether you have ductwork and your specific comfort needs.
Get a free consultation and custom zoning design for your DFW home. Start saving energy while improving comfort.
Serving DFW since 2004 • 2,000+ 5-Star Reviews